3M™ Reusable Corded Ear Plugs (340-4004)



  • Poly bag keeps each pair of earplugs available or accesible for re-use
  • Proprietary, premolded, triple-flange earplug design inserts easily
  • Soft polymer is washable and reusable
  • Noise Reduction Rating (NRR)*: 25 dB. CSA Class AL
  • Test compatible with 3M™ E-A-Rfit™ Validation System
  • No rolling or sizing needed to get a comfortable, protective fit
  • Washable and reusable


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